EP 0260713 A1 19880323 - Process for the preparation of perfluoroacyl fluorides.
Title (en)
Process for the preparation of perfluoroacyl fluorides.
Title (de)
Verfahren zur Herstellung von Perfluoracylfluoriden.
Title (fr)
Procédé de préparation des fluorures d'acides perfluoroacyliques.
Publication
Application
Priority
- IT 2175886 A 19860919
- IT 2286386 A 19861224
Abstract (en)
The present invention relates to a process for the preparation of a perfluoroacyl fluorides wherein the acyl radical is a propionyl or butyryl group. The process is characterized in that a perfluoroalkylvinylether wherein the alkyl radical is a methyl or ethyl group is thermally treated in the presence of a catalyst selected from: A) a fluoride of Li, Na, K, Cs or Rb, or a compound of Li, Na, K, Cs or Rb, which is easily fluorinated under the reaction conditions; B) a fluoride of Be, Mg, Ca, Sr, or Ba, or a compound of Be, Mg, Ca, Sr, or Ba, which is easily fluorinated under the reaction conditions; C) a fluoroaluminate, fluorosilicate, fluorotitanate or fluorometallate of an alkali metal, or of a metal belonging to group IIA of the Periodic Table or a compound, which is easily fluorinated to yield one of the above-said fluoroaluminates, fluorosilicates, fluorotitanates or fluorometallates under the reaction conditions; D) a fluoride of a metal of the first transition series, or the corresponding metal, or a compound of such a metal, which is easily fluorinated under the reaction conditions; E) a fluoride of a lanthanide or the corresponding metal or a compound of such a metal, which is easily fluorinated under the reaction conditions;& <LIT>F) an oxyfluoride of Si, Al, Ti, Ge, Sn or Pb, or a compound of Si, Al, Ti, Ge, Sn or Pb, which is easily fluorinated to yield one of the above-said oxyfluorides under the reaction conditions.
IPC 1-7
IPC 8 full level
B01J 27/12 (2006.01); B01J 27/00 (2006.01); B01J 27/122 (2006.01); B01J 27/125 (2006.01); B01J 27/128 (2006.01); B01J 27/138 (2006.01); C07B 61/00 (2006.01); C07C 51/00 (2006.01); C07C 51/58 (2006.01); C07C 53/46 (2006.01); C07C 53/50 (2006.01); C07C 67/00 (2006.01)
CPC (source: EP US)
C07C 51/58 (2013.01 - EP US)
Citation (search report)
- DE 1900758 A1 19700813 - BAYER AG
- Journal of the Chemical Society, Organic Chemistry, Section C, 1968, London R.N. HASZELDINE et al. "Perfluoroalkyl Derivatives of Nitrogen. Part XXVI. The Preparation and Rearrangement of Polyfluorovinylamines and of Trifluoromethyl Trifluorovinyl Ether" pages 398-405 * page 400, left column; page 403, right column *
- PATENT ABSTRACTS OF JAPAN, Unexamined Applications, C Field, Vol. 9, No. 293, November 20, 1985 The Patent Office Japanese Government page 81 C 315 * Kokai-No. 60-136 536 (Daikin) *
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0260713 A1 19880323; EP 0260713 B1 19910306; CA 1303062 C 19920609; DE 3768388 D1 19910411; JP 2573501 B2 19970122; JP S63159340 A 19880702; US 4814113 A 19890321
DOCDB simple family (application)
EP 87113708 A 19870918; CA 547269 A 19870918; DE 3768388 T 19870918; JP 23272087 A 19870918; US 9846987 A 19870918